<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>6</title>
</head>
<body>
<script>

var obj = {
  name: '舒俊',
  age: 19,
}
// var obj = new Object(); // 创建了一个空对象
// obj.name = '舒俊'; // 添加属性
console.log(obj);
console.log(obj.__proto__.toString());
</script>
</body>
</html>